CN106207637B - Differential connector and its housing parts - Google Patents
Differential connector and its housing parts Download PDFInfo
- Publication number
- CN106207637B CN106207637B CN201610610603.2A CN201610610603A CN106207637B CN 106207637 B CN106207637 B CN 106207637B CN 201610610603 A CN201610610603 A CN 201610610603A CN 106207637 B CN106207637 B CN 106207637B
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- China
- Prior art keywords
- shielding part
- differential
- end profile
- differential pair
- shell
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
Abstract
The present invention relates to electric connector fields, in particular to differential connector and its housing parts.Differential connector includes housing parts and more than two difference blocks, difference block includes insulator, differential pair and grounding component, housing parts include shell, shell is equipped with spliced eye corresponding with differential pair inserted terminal, the shell is equipped with end profile shielding part corresponding with differential pair inserted terminal, there is the shielding trench extended along differential pair inserted terminal plugging direction on the end profile shielding part, the opening of each shielding trench is towards unanimously, the differential pair inserted terminal is arranged in shielding trench and the differential pair inserted terminal adjacent with same difference block is isolated, solve the problems, such as that there are electromagnetic interferences between the differential pair of current differential connector adjacent differential module.
Description
Technical field
The present invention relates to electric connector fields, in particular to differential connector and its housing parts.
Background technique
In traditional differential connector, setting is used to install the empty slot of shielding piece inside the housing parts of connector, for example,
Bulletin is CN104300313A, date of publication is full-shield formula differential connector disclosed in the Chinese patent of 2015.01.21, including
Housing parts and more than two difference blocks, difference block includes insulator, differential pair and grounding pin i.e. grounding component, shell
Component is equipped with spliced eye corresponding with differential pair and grounding pin, and at least side of insulator is equipped with cabling shielding part, any poor
There is cabling shielding part between sub-module, be equipped with end profile shielding part, any two differential mode at the inserting section of differential pair at least side
There is end profile shielding part, end profile shielding part is electrically connected with corresponding cabling shielding part, is using between the corresponding differential pair of block
In the process, end profile shielding part gear is between the inserting section of the differential pair of adjacent two difference block, so as to prevent the difference of the two
Point pair inserting section between electromagnetic interference, and then solve existing differential connector and destroy asking for transmission line signals integrality
Topic, but this differential connector when in use adjacent differential module differential pair multiple regions still have electromagnetic leakage and by
It influences, finally influences signal transmission quality.
Summary of the invention
The object of the present invention is to provide a kind of differential connectors, to solve current differential connector adjacent differential module
There are problems that electromagnetic interference between differential pair；In addition, the object of the invention is also to provide a kind of above-mentioned differential connector institutes
The differential connector housing parts used.
To achieve the above object, differential connector technical solution of the invention are as follows: differential connector, including housing parts and
More than two difference blocks, difference block include insulator, differential pair and grounding component, and housing parts include shell, shell
It is equipped with spliced eye corresponding with differential pair inserted terminal, the shell is equipped with end profile shielding corresponding with differential pair inserted terminal
Part has the shielding trench extended along differential pair inserted terminal plugging direction, the opening court of each shielding trench on the end profile shielding part
It is arranged in shielding trench to consistent, described differential pair inserted terminal and the differential pair inserted terminal adjacent with same difference block is separated by
From.
Further, the shielded layer that the end profile shielding part includes insulator layer and is arranged on insulator layer, it is described
Shielded layer be conductive shielded layer, at least side of the insulator is equipped with cabling shielding part, any two difference block it
Between all have the cabling shielding part, the shielded layer and the grounding component or cabling shielding part are electrically connected.
Further, the shielded layer is metal plate, is equipped with dowel, institute between the metal plate of adjacent end portion shielding part
Shielded layer is stated to be electrically connected by the dowel and the grounding component or cabling shielding part.
Further, the shell is equipped with end profile shielding part mounting hole, and the hole wall of end profile shielding part mounting hole includes
The first mounting hole wall section at the notch of shielding trench is set, and the spliced eye is by shielding trench and the first mounting hole wall section
It encloses and sets, the insulator layer is arranged between spliced eye and shielded layer.
Further, shell is equipped with the integration module for integrating end profile shielding part, and integration module is removable solid with shell
Fixed, the adjacent side of the adjacent integration module, which is equipped with, installs knot for the end profile shielding part of mounting end shielding part
Structure.
To achieve the above object, differential connector housing parts technical solution of the invention are as follows: differential connector housing section
Part, including shell, shell are equipped with for spliced eye corresponding with differential pair inserted terminal, the shell be equipped with for difference
Point to the corresponding end profile shielding part of inserted terminal, have on the end profile shielding part for prolonging along differential pair inserted terminal plugging direction
It stretches and is used to accommodate differential pair inserted terminal and the shielding trench that is isolated of the differential pair inserted terminal that keeps same difference block adjacent, it is each to shield
The opening of slot is covered towards unanimously.
Further, the end profile shielding part includes insulator layer and shielded layer, and the shielded layer is conductive screen
Layer is covered, at least side of the insulator is equipped with cabling shielding part, all has the cabling screen between any two difference block
Shield, the shielded layer and the grounding component or cabling shielding part are electrically connected.
Further, the shielded layer is metal plate, is equipped with dowel, institute between the metal plate of adjacent end portion shielding part
Shielded layer is stated to be electrically connected by the dowel and the grounding component or cabling shielding part.
Further, the shell is equipped with end profile shielding part mounting hole, and the hole wall of end profile shielding part mounting hole includes
The first mounting hole wall section at the notch of shielding trench is set, and the spliced eye is by shielding trench and the first mounting hole wall section
It encloses and sets, the insulator layer is arranged between spliced eye and shielded layer.
Further, shell is equipped with the integration module for integrating end profile shielding part, and integration module is removable solid with shell
Fixed, the adjacent side of the adjacent integration module, which is equipped with, installs knot for the end profile shielding part of mounting end shielding part
Structure.
The invention has the benefit that the corresponding end profile shielding of the differential pair of the difference block of differential connector of the invention
There is shielding trench, the opening of each shielding trench is towards unanimously, and compared with current differential connector, difference of the invention is connected on part
Differential pair inserted terminal is arranged in shielding trench described in device and the differential pair inserted terminal adjacent with same difference block is isolated, complete
It totally disappeared the electromagnetic interference between the differential pair in addition to adjacent differential module.
Further, the shielded layer that the end profile shielding part includes insulator layer and is laid on insulator layer, institute
The shielded layer stated is metal plate, and dowel is equipped between the metal plate of adjacent end portion shielding part, and end profile shielding part passes through described
Dowel and the grounding component or cabling shielding part are electrically connected, and dowel has not only further facilitated metal plate
Processing, and connecing for end profile shielding part is also facilitated by dowel and grounding component or the electrical connection of cabling shielding part
Ground.
Further, shell is equipped with end profile shielding part mounting hole, and the hole wall of end profile shielding part mounting hole includes setting
The first mounting hole wall section at the notch of shielding trench, the spliced eye, which is enclosed by shielding trench with the first mounting hole wall section, to be set
It forms, the insulator layer is arranged between spliced eye and shielded layer, facilitates the processing of spliced eye.
Further, shell is equipped with integration module for integrating end profile shielding part, and when mounting end shielding part can
To take out integration module, then the integration module equipped with end profile shielding part is installed on shell again, facilitates end profile shielding part
Installation, the adjacent side of adjacent integration module, which is equipped with, installs knot for the end profile shielding part of mounting end shielding part
End profile shielding part can be set between adjacent integration module in structure, reduces the installation number of integration module, improves dress
With efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the specific embodiment of differential connector of the invention；
Fig. 2 is that the assembly of the end profile shielding part and housing parts of the specific embodiment of differential connector of the invention is illustrated
Figure；
Fig. 3 is the structural schematic diagram of the housing parts of the specific embodiment of differential connector of the invention；
Fig. 4 is the structural schematic diagram of the specific embodiment of differential connector of the invention；
Fig. 5 is the partial sectional view in Fig. 4 along A-A；
Fig. 6 is the structural schematic diagram of the end profile shielding part of the specific embodiment of differential connector of the invention；
The end profile shielding part and the part after housing parts assembly that Fig. 7 is the specific embodiment of differential connector of the invention
Cross-sectional view；
Fig. 8 is the structural schematic diagram of barricade in Fig. 6.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment of differential connector of the invention, the end of existing differential connector only by shielding piece into
Row shielding, shield effectiveness is bad, and is limited to the limitation of housing parts body volume, and the full-shield formula end profile shielding piece of tubular is not
It can be suitably used for original difference block, need to change the structure of difference block using the end profile shielding piece of tubular, the present invention is based on
The purpose for reducing the electromagnetic interference between differential pair corresponding to adjacent differential module as far as possible, designs differential connector such as
Under:
As shown in Figures 1 to 8, differential connector includes housing parts 1, difference block 2 and for fixing difference block
Fixinig plate 3, difference block is equipped with 8 in the present embodiment.
Difference block 2 includes insulator 21, differential pair 22 and grounding component 23, and the two sides of insulator 21 are respectively equipped with away
Line shielding part.Housing parts 1 include shell 14, and shell 14 is equipped with the corresponding spliced eye 11 of differential pair 22 and contacts with ground connection
The corresponding grounding component jack 16 of part 23, insulator 21 are used to for differential pair 22 and grounding component 23 being combined together,
Cabling shielding part uses barricade 24 in the present embodiment, and barricade 24 is fixed on insulator.Shell 14 is equipped with and differential pair
The corresponding end profile shielding part 12 of 22 inserted terminals.
There is the shielding trench 121 that extends along differential pair inserted terminal plugging direction on end profile shielding part 12, in the present embodiment, shield
Covering slot is U-shaped shielding trench, and differential pair inserted terminal is arranged in shielding trench 121, i.e., the inserted terminal of differential pair 22 is arranged in shielding trench
Inserted terminal is isolated with adjacent differential, the bottom wall being oppositely arranged on end profile shielding part 12 with the notch of shielding trench 121 in 121
Constitute the adjacent module differential pair shielded segment 122 between the corresponding differential pair of two neighboring difference block, on end profile shielding part with
It is poor that the two sidewalls that the notch of shielding trench is disposed adjacent constitute the same module being arranged between the adjacent differential pair of same difference block
Divide to shielded segment 123, and the opening of each shielding trench is towards unanimously and towards the direction of difference block arrangement.End profile shielding
Part 12 is electrically connected with barricade 24, and in other embodiments, end profile shielding part can also be electrically connected with grounding component.Shell
14 are equipped with the end profile shielding part mounting hole 13 to mounting end shielding part 21.End profile shielding part 12 includes insulator layer 124
With the shielded layer being laid on insulator layer, wherein shielded layer is the metal plate 125 being laid on insulator layer, in this implementation
In example, in order to guarantee being dielectrically separated from for shielded layer and differential pair, shielded layer is laid in the outer surface of insulator layer, and insulator layer is set
It sets and is dielectrically separated between spliced eye and shielded layer with guaranteeing that shielded layer and differential pair are good.The metal of adjacent end portion shielding part
Plate is connected by dowel 126, and in the present embodiment, end profile shielding part 12 includes being in 14 upper end shielding part mounting hole of shell
Part in hole and the part outside the shielding part mounting hole of shell upper end, dowel are arranged in end profile shielding part mounting hole
Outside, can simplify the assembly relation of end profile shielding part and housing parts as much as possible, at the same end profile shielding part by dowel with
The electrical connection of cabling shielding part, facilitates being electrically connected for end profile shielding part and cabling shielding part.
In the present embodiment, in order to facilitate the installation of end profile shielding part and modular construction is formed, is provided on shell 14
For integrating the integration module 15 of the end profile shielding part of identical difference block, integration module is equipped with feather key 151, sets on shell
There is the guide groove 141 with feather key cooperation, is advantageously integrated the installation of module.Integration module 15 with shell 14 is removable is fixedly connected,
End profile shielding part mounting hole is arranged on integration module.Two adjacent integration modules is adjacent along difference block arragement direction
Side is equipped with the end profile shielding part mounting structure 151 for forming end profile shielding part mounting hole, in the present embodiment, adjacent
Composition can reduce the quantity of integration module for the mounting hole of mounting end shielding part between the adjacent side of integration module,
Reduce the volume of housing parts, improves assembly efficiency, while also reducing cost.In the present embodiment, in order to further decrease
The volume of housing parts, while facilitating installation, end profile shielding part mounting hole corresponding to the same difference block is interconnected.?
In other embodiments, each shielding part mounting hole can be mutually isolated.
In order to facilitate the installation of spliced eye, while reducing the volume of end profile shielding part, in the present embodiment, end as far as possible
The hole wall of shielding part mounting hole 13 includes the first mounting hole wall section 131 being arranged at the notch of shielding trench, spliced eye 11 by
The cell wall of shielding trench is enclosed with the first mounting hole wall section 131 of appearance to be set, since the end profile shielding part of end profile shielding part 12 is installed
Hole 13 is arranged on integration module 15, and in the present embodiment, spliced eye and end profile shielding part mounting hole share the first mounting hole wall
Section.
Differential pair 22 includes two differential contact elements, there are two corresponding spliced eye is set, is equipped between two spliced eyes
Dielectric separation plate, in the present embodiment, insulation board is by being arranged in the first mounting hole wall section in end profile shielding part mounting hole
Interior L-type insulation board 132 and being arranged on insulator layer combined with the inverted L shape insulation board 127 that L-type insulation board is fastened and connected and
At being additionally provided with the location structure for positioning end shielding part in end profile shielding part mounting hole.In the present embodiment, location structure
Including the positioning convex platform with end profile shielding part location fit.
Differential pair of the invention is arranged in U-shaped shielding trench, and the opening direction of shielding trench is consistent, as shown in fig. 7,
Due to enclosing the electromagnetic interference path of the differential pair of adjacent differential module, the differential pair of adjacent differential module will not generate electromagnetism
Interference, while the electromagnetic interference between diagonal adjacent differential pair is also eliminated, greatly improve signal transmission quality.The present invention
End profile shielding part using the method for laying shielded layer on insulator layer, be not only able to be suitable for for metal plate being laid in insulation
On body layer, and can be using laying electroplated layer or other can be absorbed or the material of reflection electromagnetic wave on insulator layer
Material, shielded layer only need to be electrically connected with cabling shielding part or grounding component when it is conducting medium.In addition, setting
Integration module greatly facilitate the installation of end profile shielding part, installed convenient for end profile shielding part modularization.
The specific embodiment of differential connector housing parts of the invention, differential connector housing parts and above-mentioned difference connect
The structure for connecing housing parts described in the specific embodiment of device is identical, repeats no more.
Other realities of the differential connector housing parts used in differential connector of the invention and the differential connector
It applies in example, above-mentioned end profile shielding part can only include shielded layer, and shell is equipped with end corresponding with end profile shielding part screen at this time
End profile shielding part is directly inserted into end shielding part mounting hole when assembly by shield mounting hole；Above-mentioned integration module can be with
It is an integral structure with enclosure body；Above-mentioned grounding component can be not extend in the grounding component jack of housing parts,
Shielding between the inserted terminal of the differential pair of identical difference block only relies on end profile shielding part and is shielded；Above-mentioned dowel can also
Not set, each metal plate is electrically connected respectively at grounding component or barricade at this time；Above-mentioned adjacent integration module sides adjacent
End profile shielding part mounting structure can not be formed on face, end profile shielding part mounting hole is arranged in integration module at this time；It is above-mentioned
Grounding component jack corresponding to grounding component can not be set, and according to the installation site of grounding component, guarantee to be grounded
Under the premise of contact and differential pair insulation, grounding component and differential pair contact be can be set in same jack.
Claims (8)
1. differential connector, including housing parts and more than two difference blocks, difference block include insulator, differential pair and connect
Ground contact, housing parts include shell, and shell is equipped with spliced eye corresponding with differential pair inserted terminal, which is characterized in that institute
The shell stated is equipped with end profile shielding part corresponding with differential pair inserted terminal, has on the end profile shielding part and inserts along differential pair
The shielding trench that end plugging direction extends is connect, which is U-shaped shielding trench, consistent, the described difference of the opening direction of each shielding trench
Divide and inserted terminal is arranged in shielding trench and the differential pair inserted terminal adjacent with same difference block is isolated, is set on the shell
There is the end profile shielding part mounting hole to mounting end shielding part, the hole wall of end profile shielding part mounting hole includes being arranged in shielding trench
Notch at the first mounting hole wall section, the spliced eye enclosed by the cell wall and the first mounting hole wall section of shielding trench set and
At the shielded layer that, end profile shielding part includes insulator layer and is laid on insulator layer, shielded layer is laid in the outer of insulator layer
Surface, differential pair includes two differential contact elements, and there are two corresponding spliced eye is set, insulation point is equipped between two spliced eyes
Partition, dielectric separation plate by the L-type insulation board that is arranged in the first mounting hole wall section in the end profile shielding part mounting hole and
The inverted L shape insulation board being fastened and connected on insulator layer with L-type insulation board is arranged in be composed.
2. differential connector according to claim 1, which is characterized in that the shielded layer is conductive shielded layer, institute
At least side for the insulator stated is equipped with cabling shielding part, all has the cabling shielding part, institute between any two difference block
The shielded layer and the grounding component or cabling shielding part stated are electrically connected.
3. differential connector according to claim 2, which is characterized in that the shielded layer is metal plate, adjacent end portion
Be equipped with dowel between the metal plate of shielding part, the shielded layer by the dowel and the grounding component or
The electrical connection of cabling shielding part.
4. differential connector according to claim 1-3, which is characterized in that shell is equipped with for integrating end
The integration module of shielding part, integration module and the removable fixation of shell, the adjacent side of the adjacent integration module are equipped with
End profile shielding part mounting structure for mounting end shielding part.
5. the differential connector housing parts in a kind of differential connector as described in claim 1, including shell, set on shell
Have for spliced eye corresponding with differential pair inserted terminal, which is characterized in that the shell be equipped with for differential pair grafting
Corresponding end profile shielding part is held, is had on the end profile shielding part for extending and being used for along differential pair inserted terminal plugging direction
Accommodate differential pair inserted terminal and the shielding trench that is isolated of the differential pair inserted terminal that keeps same difference block adjacent, which is U
Type shielding trench, for the opening of each shielding trench towards unanimously, the shell is equipped with the end profile shielding part to mounting end shielding part
Mounting hole, the hole wall of end profile shielding part mounting hole includes the first mounting hole wall section being arranged at the notch of shielding trench, described
Spliced eye, which is enclosed by the cell wall of shielding trench with the first mounting hole wall section, to be set, and end profile shielding part includes insulator layer and is laid in
Shielded layer on insulator layer, shielded layer are laid in the outer surface of insulator layer, and differential pair includes two differential contact elements, right
There are two the spliced eye answered is set, dielectric separation plate is equipped between two spliced eyes, dielectric separation plate is by being arranged in the first mounting hole
L-type insulation board and setting in hole wall section in end profile shielding part mounting hole fasten and connect with L-type insulation board on insulator layer
The inverted L shape insulation board connect is composed.
6. differential connector housing parts according to claim 5, which is characterized in that the shielded layer is conductive screen
Layer is covered, at least side of the insulator is equipped with cabling shielding part, all has the cabling screen between any two difference block
Shield, the shielded layer and the grounding component or cabling shielding part are electrically connected.
7. differential connector housing parts according to claim 6, which is characterized in that the shielded layer is metal plate,
Dowel is equipped between the metal plate of adjacent end portion shielding part, the shielded layer is connect by the dowel and the ground connection
Contact element or the electrical connection of cabling shielding part.
8. according to the described in any item differential connector housing parts of claim 5-7, it is characterised in that: shell is equipped with and is used for
The integration module of integrated end profile shielding part, integration module and the removable fixation of shell, the sides adjacent of the adjacent integration module
Face is equipped with the end profile shielding part mounting structure for mounting end shielding part.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610610603.2A CN106207637B (en) | 2016-07-29 | 2016-07-29 | Differential connector and its housing parts |
| EP17833206.0A EP3447852A4 (en) | 2016-07-29 | 2017-03-21 | Differential connector and housing component thereof |
| KR1020187032443A KR102025217B1 (en) | 2016-07-29 | 2017-03-21 | Differential connectors and housing parts thereof |
| JP2019514161A JP6781826B2 (en) | 2016-07-29 | 2017-03-21 | Differential connector and its housing member |
| PCT/CN2017/077469 WO2018018898A1 (en) | 2016-07-29 | 2017-03-21 | Differential connector and housing component thereof |
| US16/097,839 US10396503B2 (en) | 2016-07-29 | 2017-03-21 | Differential connector and housing component thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610610603.2A CN106207637B (en) | 2016-07-29 | 2016-07-29 | Differential connector and its housing parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106207637A CN106207637A (en) | 2016-12-07 |
| CN106207637B true CN106207637B (en) | 2019-03-29 |
Family
ID=57497841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610610603.2A Active CN106207637B (en) | 2016-07-29 | 2016-07-29 | Differential connector and its housing parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106207637B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6781826B2 (en) * | 2016-07-29 | 2020-11-04 | 中航光電科技股▲ふん▼有限公司Ａｖｉｃ Ｊｏｎｈｏｎ Ｏｐｔｒｏｎｉｃ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．， Ｌｔｄ | Differential connector and its housing member |
| CN109119800B (en) * | 2017-06-23 | 2021-11-09 | 中航光电科技股份有限公司 | Differential connector and shell and contact element assembly thereof |
| CN109546465B (en) * | 2019-01-09 | 2023-10-10 | 四川华丰科技股份有限公司 | High-speed differential signal connector |
| CN110391550B (en) * | 2019-07-22 | 2020-12-04 | 中航光电科技股份有限公司 | Electric connector |
| CN112582844A (en) * | 2019-09-29 | 2021-03-30 | 庆虹电子(苏州)有限公司 | Electrical connector |
| CN110783774B (en) * | 2019-09-30 | 2021-03-23 | 中航光电科技股份有限公司 | High-speed electric connector and contact module |
| CN112636102B (en) * | 2020-11-30 | 2022-10-04 | 中航光电科技股份有限公司 | High-speed connector |
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| CN101312275A (en) * | 2007-05-26 | 2008-11-26 | 贵州航天电器股份有限公司 | High speed data transmission electric connector possessing dual shield function |
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| CN104300313A (en) * | 2013-12-05 | 2015-01-21 | 中航光电科技股份有限公司 | Full-shielding-type difference connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106207637A (en) | 2016-12-07 |
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